Grodan SBS Tray (77 Cubes) 36 x 36 x 40

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Grodan Rockwool Tray – SBS 33/77

Grodan Rockwool is a mineral wool made from molten basalt and limestone rock that is spun into cotton-candy like fibers and then compressed into cubes, blocks or slabs.  Being made from natural rock, Grodan is a mineral based product used in hydroponic growing applications.

Cube Size: 36 x 36 x 40
Hole Size: Pinhole
Cubes are in plastic trays, there are 77 cubes in each tray. There are 18 trays in each carton. Total of 1386 cubes per carton.

Grodan SBS Tray (77 Cubes) 36 x 36 x 40